Browsing Department of Geosciences by Author "Olbinski, James Steven"

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Geology of the Buster Creek-Nehalem Valley area, Clatsop County, northwest Oregon

Olbinski, James Steven (1983-04-22)

Six Tertiary rock units are exposed in the Buster Creek-Nehalem Valley area. They are, from oldest to youngest: upper Eocene Tillamook Volcanics; upper Eocene Cowlitz Formation; upper Eocene Keasey Formation; upper Eoce ...